Plasterer&#39;s mortarboard stand



ay 26, 1936- cm. LECKEY PLASTERERS MORTARBOARD STAND Filed April 29, 1935 2 Sheets-Shes; l

y 1936- c. M. LECKEY 2,042,110

PLASTERER'S MORTARBOARD STAND Filed April 29, 1935 2 Sheets-Sheet 2 I nven (or Patented May 26, 1936 PLASTERERS MORTARBOARD STAND Charles M. Leckey, Washington, D.

Application April 29,

2 Claims.

This invention relates to a stand particularly adapted as a support for a plasterers mortar board, and among the objects of the invention is to provide such a stand characterized by sturdiness of construction, and which at the same time can be readily collapsed or folded for storage or shipment.

The invention together with its objects and advantages will be best understood from a study of the following description taken in connection with the accompanying drawings wherein:

Figure 1 is a perspective view of the stand.

Figure 2 is an elevational view of the stand folded or collapsed.

Figure 3 is a view similar to Figure 2 illustrating a second method of collapsing the stand.

Figure 4 is a side elevational view of the stand with a mortar board mounted thereon.

Figure 5 is a detail view taken substantially on the line 5-5 of Figure 1.

Figure 6 is a perspective View of a diagonal brace.

Figure 7 is a perspective View of a bolt embodying the features of the present invention.

Figure 8 is a perspective view of a wing nut.

Referring to the drawings by reference numerals it will be seen that the stand is in the form of a frame including a pair of identically constructed side frames l-l respectively,

Each of the frames I, l includes a pair of end members or corner posts 22 connected at their upper ends by a cross bar 3, and adjacent their lower ends by a cross bar 4. The members 2, 3 and 4 are formed of angle iron and the cross members 3 and 4 are secured to the members 2 in any suitable manner, preferably by being welded thereto. The members 2 are further braced by a diagonal brace member 4* also of angle iron and having its ends welded, or in a similar manner, secured to the end members or corner posts 2.

Connecting the side frame members I, I and serving to retain said members in spaced relation are upper cross bars 5 also formed of angle iron r and pivoted at one end by suitable bolts or rivet means to the upper ends of the corner posts 2 of frame I and detachably and pivotally connected with the upper ends of the corner posts 2 of frame I by bolts of a type best shown in Figure '7 and indicated by the reference numeral 6. The members 5 are formed of angle iron.

Angle iron braces 53* are respectively pivoted at their respective opposite ends to the lower portion of the corner posts 2 of frames l and l and 1935, Serial No. 18,933

cooperate with the aforementioned members 5 for connecting the frame I, I together.

Flat diagonal brace members 1, best illustrated in Figure 6 are pivoted at one end to the corner posts 2 of frame I and have free ends provided with notches 8 adapted to engage the bolts 6 in a manner best illustrated in Figure 5.

Each bolt 6 as shown in Figure 7 includes a shank having a non-threaded portion with which the end 8 of a brace l is engageable and a threaded portion for accommodating a wing nut 9 which when threaded home serves to positively secure the end 8 of the brace l engaged with the shank of the bolt 6. Also, each bolt at its nonthreaded end is equipped with a square head [0, and as shown, the shank of the bolt extends from the head IE3 in an eccentric manner, thus permitting, as shown in Figure 5 an engagement of one edge face of the bolt with a flange of an adjacent corner post 2 to prevent rotation of the bolt, and at the same time to provide suitable clearance between the shank of the bolt and said flange of the adjacent corner post 2 as to readily permit an engagement of the notch 8 of a brace l with the bolt.

From the above it will be apparent that to fold the stand the Wing nuts 9 are loosened and the notches 8 of the diagonal braces 11 disengaged from the bolts 6, after which the frame may be collapsed in a manner thought apparent either to the position shown in Figure 2 or to that position shown in Figure 3 optionally.

When in an upright position, a strong and. sturdy stand of skeleton frame structure is provided and the horizontal flanges of the members 3 and 5 form a suitable supporting surface for the motar board II as clearly suggested in Figure 4.

Having thus described the invention, what is claimed as new is:

1. A mortar board stand comprising a pair of opposed vertical frame members each including a pair of corner posts and upper and lower brace members connecting the corner posts and a diagonal brace member bracing the corner posts with respect to one another; a pair of opposed top side bars pivoted at one end to the corner posts of one of said frame members, a pair of opposed di agonal side braces pivoted at one end to the corner posts of said one frame adjacent the lower ends of said corner posts, and bolt means connecting the free ends of one topside bar and a side diagonal brace member to the upper end of a corner post of the other of said frame members.

2. In a collapsible stand of the character described, a pair of opposed corner posts, a member connecting said corner posts adjacent the lower ends of the latter, said member having its respective opposite ends pivotally connected to said corner posts, a second member pivoted at one end to the upper end of one of said corner posts, a bolt pivotally connecting the free end of the second member with the other of said corner posts, a diagonal brace member pivotally connected at one end to the first corner post adjacent the lower end of the latter, said brace member having a free end provided with a notch adapted to engage said bolt whereby the single bolt serves to pivotally connect said second member and said brace member with the second specified corner post, and said bolt having a head, an edge of which is adapted to bear against an adjacent portion of the second specified corner post to prevent rotation of the bolt, and a shank projecting from said head adjacent one corner of said head whereby to provide sufficient clearance between the shank of the bolt and said adjacent portion of the second specified corner post to accommodate the extreme end of the diagonal brace when the notch of the latter is engaged with said bolt.

CHARLES M. LECKEY. 

